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Txchnologist turned 2 today!
Thanks for reading, everyone. We’ve been having a great time searching the world for the most interesting and exciting innovations in science and technology.
Now come help us spotlight the next big thing. Are you a scientist or engineer cooking up something big? Do you have a professor who is doing amazing work but not getting the attention he or she deserves? Has your older sister locked herself in the garage while she develops a fusion-fueled generator?
Send us some fan mail about it. Who knows? Maybe your work will be featured on Txchnologist.

Txchnologist turned 2 today!

Thanks for reading, everyone. We’ve been having a great time searching the world for the most interesting and exciting innovations in science and technology.

Now come help us spotlight the next big thing. Are you a scientist or engineer cooking up something big? Do you have a professor who is doing amazing work but not getting the attention he or she deserves? Has your older sister locked herself in the garage while she develops a fusion-fueled generator?

Send us some fan mail about it. Who knows? Maybe your work will be featured on Txchnologist.

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Living Tissue Emerges From 3-D Printer

Harvard bioengineers say they have taken a big step toward using 3-D printers to make living tissue. They’ve made a machine with multiple printer heads that each extrudes a different biological building block to make complex tissue and blood vessels.

Their work represents a significant advance toward producing living medical models upon which drugs could be tested for safety and effectiveness.

It also advances the ball in the direction of an even bigger goal. Such a machine and the techniques being refined by researchers offer a glimpse of the early steps in a sci-fi healthcare scenario: One day surgeons might feed detailed CT scans of human body parts into a 3-D printer, manipulate them with design software, and produce healthy replacements for diseased or injured tissues or organs.

Read more below and click the gifs for explanations. 

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Batteries From Viruses and Carbon Nanotubes

by Txchnologist staff

MIT biological engineering, materials science and energy researcher Angela Belcher takes her cues from nature to create amazing things. Among her portfolio of important work, she has created batteries powered by a combination of biological and inorganic components. Her team has selected viruses that can grab onto carbon nanotubes to grow electrodes in solution. When dried out and refined, these nanotube-coated viruses are turned into batteries that can power small electronics.

She won the university’s 2013 Lemelson-MIT Prize for harnessing nature to design environmentally friendly solar cells, clean transportation fuel and viral batteries. There is still much more work to do, but Belcher says she hopes to one day drive around in a virus-powered electric car.

Check out her 2011 TED talk below.

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Device Harvests Energy From Moving Organs To Power Implants

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by Michael Keller

Your heart expends half a joule of energy every time it beats. That’s the same amount of juice you’d need to lift an apple 1.6 feet off the ground.

Before every contraction, the potential energy trapped in chemical bonds within cardiac muscle cells is released and converted into the mechanical power of the heartbeat. But, like all energy, that which is harnessed to power the heart is never destroyed; it just changes form as it radiates away from the organ as heat and vibrations of surrounding tissue and fluid. 

Now, a science team has announced a breakthrough in harvesting the energy released from the movement of the beating heart, the breathing lung and the flexing diaphragm. They’ve developed a superthin device that can be attached to an organ to generate electricity from its movements. 

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